<template>
  <div class="login-container">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      size="medium"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >
      <el-card class="box-card">
        <div class="title-container">
          <h3 class="title">Feijiu CRM</h3>
        </div>
        <el-form-item
          prop="account"
          class="changestyle"
        >
          <span class="svg-container">
            <svg-icon icon-class="user" />
          </span>
          <el-input
            ref="account"
            v-model="loginForm.account"
            placeholder="账号"
            name="account"
            type="text"
            tabindex="1"
            auto-complete="on"
          />
        </el-form-item>

        <el-form-item
          prop="password"
          class="changestyle"
        >
          <span class="svg-container">
            <svg-icon icon-class="password" />
          </span>
          <el-input
            :key="passwordType"
            ref="password"
            v-model="loginForm.password"
            :type="passwordType"
            placeholder="密码"
            name="password"
            tabindex="2"
            auto-complete="on"
            @keyup.enter.native="handleLogin"
          />
          <span
            class="show-pwd"
            @click="showPwd"
          >
            <svg-icon
              :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
            />
          </span>
        </el-form-item>

        <el-button
          :loading="loading"
          type="primary"
          size="medium"
          style="width: 100%; margin-bottom: 30px"
          @click.native.prevent="handleLogin"
        >
          登录
        </el-button>
      </el-card>
    </el-form>
  </div>
</template>

<script>
import { isPassword } from '@/utils/validate'
// import { getToken } from '@/utils/auth'

export default {
  name: 'Login',
  data() {
    const validatePassword = (rule, value, callback) => {
      if (value === '' || value === undefined) {
        callback(new Error('请输入密码'))
      } else if (value && !isPassword(value)) {
        callback(new Error('密码6~20位 必须含大写字母、小写字母、数字'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        account: '',
        password: ''
      },
      loginRules: {
        account: [{ required: true, message: '请输入账号', trigger: 'blur' }],
        password: [
          { required: true, trigger: 'blur', validator: validatePassword }
        ]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.loading = true
          this.$store
            .dispatch('user/login', this.loginForm)
            .then(() => {
              this.$router.push({ path: this.redirect || '/' })
              this.loading = false
            })
            .catch(() => {
              this.loading = false
            })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    }
  }
}
</script>

<style lang="scss">
$bg: #283443;
$light_gray: #777777;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .changestyle .el-input input {
    color: navajowhite;
  }
}

/* reset element-ui css */
.login-container {
  .changestyle {
    border: 1px solid rgb(192, 192, 192);
    /*background: rgba(0, 0, 0, 0.1);*/
    border-radius: 5px;
    .el-input {
      display: inline-block;
      height: 47px;
      width: 85%;

      input {
        background: transparent;
        border: 0px;
        -webkit-appearance: none;
        border-radius: 0px;
        padding: 12px 5px 12px 15px;
        height: 47px;
        caret-color: $light_gray;
        color: $light_gray;

        &:-webkit-autofill {
          box-shadow: 0 0 0px 1000px #ffffff inset !important;
          -webkit-text-fill-color: $light_gray !important;
        }
      }
    }
  }
}
</style>

<style lang="scss" scoped>
$bg: #777777;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: #606266;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
